Open source alternatives to Crisp

By GitHub stars it is Chatwoot, with 39,818 stars and a commit on 13 Nov. Choose Chatwoot when you want WhatsApp, Instagram, email and site chat in one queue under an open source licence you can audit. Next come Cossistant (740 stars).

Yes. The code of all 2 is public under MIT or AGPL 3.0, so you can use them with no licence fee. Running one yourself costs the server and your time to look after it, and some makers also sell a hosted plan.

Start from the job you use Crisp for. Choose Cossistant when you want open source code you can run and change yourself.

1 of the 2: Chatwoot. Each tool's page says what it needs to run.

1 of the 2 we track had a commit in the last 30 days, among them Chatwoot. The quietest is Cossistant, last changed on 18 Sep. A recent commit shows the project is kept up, not that it will stay that way.

MIT (1), AGPL 3.0 (1). MIT, BSD and Apache let you change and reuse the code freely. GPL and AGPL ask you to share your changes under the same licence when you give the software to others, and AGPL also counts letting people use it over a network.

The hosting. Crisp's maker runs the servers for you; with an open source tool the updates, backups, security fixes and support are yours, unless you take the maker's hosted plan. Features differ too, so check what each one imports and exports before you move your data.